@misc{rfc7110, series = {Request for Comments}, number = 7110, howpublished = {RFC 7110}, publisher = {RFC Editor}, doi = {10.17487/RFC7110}, url = {https://www.rfc-editor.org/info/rfc7110}, author = {Mach Chen and Wei Cao and Ning So and Frederic JOUNAY and Simon DeLord}, title = {{Return Path Specified Label Switched Path (LSP) Ping}}, pagetotal = 21, year = 2014, month = jan, abstract = {This document defines extensions to the data-plane failure-detection protocol for Multiprotocol Label Switching (MPLS) Label Switched Paths (LSPs) known as "LSP ping". These extensions allow a selection of the LSP to be used for the echo reply return path. Enforcing a specific return path can be used to verify bidirectional connectivity and also increase LSP ping robustness.}, }